<template>
    <div class="mui-numbox" data-numbox-min='1' style="height: 25px;">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" :value="init" @change="countChange" ref="numbox" readonly/>
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>

<script>
    import mui from '../../lib/mui/js/mui.min.js'

    export default {
        data() {
            return {}
        },
        methods: {
            countChange() {
                // 数量改变了
                // 每当数量值改变了，则立即把最新的数量同步到购物车的 store 中，覆盖之前的数量值
                this.$store.commit('updata', {id: this.goodid, count: this.$refs.numbox.value})
            }
        },
        mounted() {
            // 初始化数字选择框组件
            mui(".mui-numbox").numbox();
        },
        props: ["init", "goodid"]
    }
</script>

<style scoped>

</style>